Firefly is Freshtel´s fully-featured Internet Phone. You can make phone calls to any other Firefly users anywhere in the world for free. You also get instant messaging to other Firefly users, as well as your own Voicemail box so people can leave you a message when you are unavailable or not on the Internet - for free. Finally, you can call traditional phones both nationally and internationally with extremely competetive calling rates.
What´s new in Firefly 3.0.2?

Brand new look and feel!
Ability to have multiple calls in progress simultaneously
New call handling including conference calls and call transfer
Advanced Echo Cancellation for better sound
More user friendly features, including drag-and-drop contacts
Microsoft Office Outlook® Integration allows Outlook contacts to be conveniently added to the Firefly Contact List and a Firefly toolbar to be displayed directly in Outlook (Outlook 2000, 2003 & 2007)
Improved sound handling including the ability to preview and set on-hold music
Mouse-over popups on contact list for easy access to information and contact management
Windows Vista© compatibility